Here is the full list of all 43 Vampires! achievements.
Human collides with Wolfvirne
Vampire collides with Rival Vampire
Complete all levels
Complete Level #32
Complete Level #31
Complete Level #30
Complete Level #29
Complete Level #28
Complete Level #27
Complete Level #26
Complete Level #25
Complete Level #24
Complete Level #23
Complete Level #22
Complete Level #21
Complete Level #20
Complete Level #19
Complete Level #18
Complete Level #17
Complete Level #16
Complete Level #15
Complete Level #14
Complete Level #13
Human collides with Rival Vampire
Complete Level #12
Priest collides with Rival Vampire
Complete Level #11
Vampire collides with Wolfvirne
Wolfvirne collides with Priest
Complete Level #10
Complete Level #9
Complete Level #8
Complete Level #7
Complete Level #6
Complete Level #5
Complete level #4
Vampire collides with garlic
Complete level #3
Complete level #2
Vampire collides with Priest
Complete level #1
Vampire collides with Human